How to open EPUB file on iOS
The iBooks app on your iPhone or iPad can open epub files without any problems, but the challenge for iOS users is getting the files on your device in the first place. The best way to open an epub file on iOS is via a cloud storage service such as Dropbox and the iBooks app. You'll have to upload the file to Dropbox and download its iOS app before logging in. Now follow these steps.
The iBooks app on your iPhone or iPad can open epub files without any problems, but the challenge for iOS users is getting the files on your device in the first place. The best way to open an epub file on iOS is via a cloud storage service such as Dropbox and the iBooks app. You'll have to upload the file to Dropbox and download its iOS app before logging in. Now follow these steps.
1) Find the epub file and tap on it. You will see an error message saying Dropbox can't open the file.
2) Now tap the Share button (the box with an arrow pointing upwards) and tap Open in.
3) You'll see a menu pop up, with an option to Open in iBooks. Tap that to open the epub file.
You could also mail the files to yourself as an attachment - when you open the mail and tap on the attachment, it will download the file, and bring you to the Open in menu from step 3.